Identification of oviposition deterrents from pink bollworm, Pectinophora gossypiella(Saunders)

Shah, V. C.; Pande, Rachna; Verma, P. S.; Gokte‐Narkhedkar, Nandini; Waghmare, V. N.

doi:10.22438/jeb/41/3/mrn-1188

Cited by 7 publications

(6 citation statements)

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“…It is very evident that fatty acids and their methyl esters are the main compounds having oviposition-deterrent effect. Though we identified and found similar compounds in pink bollworm and have proven the role of individual fatty acids as oviposition deterrents from faecal pellets (Shah et al, 2020), the oviposition-deterrent effect of these compounds in specific blends that may provide higher oviposition deterrence is yet to be proven. This could further support the key role of these compounds in reducing intra-specific competition.…”

Section: Discussionmentioning

confidence: 91%

“…Pink bollworm larvae were collected from Nagpur (21 °04 48.39 N 78 °06 58.02 E), Maharashtra, India, from cotton (Gossypium hirsutum L.) variety Suraj. Larvae were reared in an insectary on natural food, i.e., on cotton (G. hirsutum) squares and bolls under controlled conditions [65 ± 5% relative humidity (RH); 14L:10D photoperiod; 27 ± 1°C temperature] (Shah et al, 2020(Shah et al, , 2021.…”

Section: Maintenance Of Experimental Materialsmentioning

confidence: 99%

“…The mass spectral detector was maintained at a temperature of 200°C with an interface temperature of 260°C. Sample was injected into the column in 1 μl aliquots (Shah et al, 2020). Data obtained were evaluated by TIC (total ion chromatogram) and the mass spectra generated using the MS compared with the National Institute of Standards and Technology (NIST) mass spectral library (NIST 2014 version).…”

Section: Gas Chromatography-mass Spectroscopy Analysismentioning

confidence: 99%

“…Sex pheromone is one of the most exploited areas in the field of semiochemicals. However, in the recent past, the focus has shifted to exploration of newer aspects like oviposition deterrents (Pande et al, 2019;Shah et al, 2020Shah et al, , 2022.…”

Section: Introductionmentioning

confidence: 99%

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Fatty acids for insect species remain constant: A case study of pink bollworm, Pectinophora gossypiella (Saunders)

et al. 2023

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Pink bollworm, Pectinophora gossypiella (Saunders) originates from South Asia and has spread across major cotton-growing regions. The pest is considered to be the most destructive and of economic concern across the globe. In India, the pest has developed resistance to dual Bt toxins and its concealed feeding nature makes the target sites almost inaccessible for the insecticide. In view of this issue, there is need to identify a suitable alternative for its management. In this context, semiochemicals serve as one of the best eco-friendly options. These chemical substances or mixtures broadcast messages for the purpose of communication. Semiochemicals may be released from eggs, faecal pellets, tarsal segments, scales, anal tufts and/or any insect components that reduce the intra/interspecific competition for shared resources such as food, mating, oviposition site etc. Accurate identification of the semiochemical compounds and their proportion in natural blends that arouse a strong behavioural response in insects, requires a thorough knowledge. Therefore in the present study, we tried to explore the chemicals present in eggs, faecal pellets and whole-body wash extracts of mated female. Seven compounds were identified from a methanolic extract of faecal-pellet samples, namely hexadecanoic acid, 9,12-octadecadienoic acid, 9-octadecenoic acid and their methyl esters along with methyl stearate. However, only four methyl-esterified forms were found in common in eggs and female body wash extract. This clearly shows that the compounds remain constant and conserved for the species but the role of these compounds needs to be demonstrated.

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Section: Discussionmentioning

confidence: 91%

Section: Maintenance Of Experimental Materialsmentioning

confidence: 99%

Section: Gas Chromatography-mass Spectroscopy Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Fatty acids for insect species remain constant: A case study of pink bollworm, Pectinophora gossypiella (Saunders)

et al. 2023

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“…Several secondary plant metabolites such as phenols, flavonoids, tannins, limonoids, terpenoids serve as a protective tools against insect attacks. These metabolites act as insecticides, antifeedants, moulting hormones, oviposition deterrents, repellents, juvenile hormone agonists or growth inhibitors (Maia & Moore, 2011; Nerio et al, 2020; Pande et al, 2019; Rathan, 2010; Shah et al, 2020). Some biochemical constituents like azadirachtin in neem, karanjin in pongamia, squamocin in annona, and ricin in castor possess good insecticidal attributes (Chaudhary et al, 2017; Rossi et al, 2012; Singh et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of insecticidal properties of botanicals for sustainable management of sucking pests of horticultural crops

Prasannakumar

Rao

Jyothi

et al. 2022

J Applied Entomology

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Aphids, thrips, whiteflies, mealy bugs and mites could cause significant yield losses in horticultural crops. Many synthetic chemicals highly hazardous to non‐target organisms and the environment are in use in their management. Botanicals are ideal for safe sustainable pest management by keeping synthetic chemical use at a minimum. We studied the insecticidal properties of three botanicals viz., Annona squamosa, Ricinus communis and Sapindus mukorossi seed extracts against sucking pests viz., aphids (Aphis gossypii and Aphis craccivora) on okra (Abelmoschus esculentus) and bittergourd (Momordica charantia), thrips (Scirtothrips dorsalis) on chilli (Capsicum frutescens), whiteflies (Bemisia tabaci) on eggplant (Solanum melongena), mealy bugs (Maconellicoccus hirsutus) on betel vine (Piper betle) and mites (Tetranychus urticae) on eggplant (Solanum melongena) under laboratory conditions. The bioassay showed that A. squamosa seed extract has potent insecticidal properties on all sucking pests, except T. urticae. Though S. mukorossi seed extract exhibited no insecticidal property, had a significant acaricidal property. A. squamosa and S. mukorossi seed extracts will therefore be additional botanicals for use in organic farming for managing the sucking pests effectively.

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Evaluation of vegetable oil as oviposition deterrents for the management of pink bollworm, Pectinophora gossypiella (Saunders) in cotton

Shah,

Pande,

Verma

et al. 2023

J Plant Dis Prot

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Identification of oviposition deterrents from pink bollworm, Pectinophora gossypiella(Saunders)

Cited by 7 publications

References 0 publications

Fatty acids for insect species remain constant: A case study of pink bollworm, Pectinophora gossypiella (Saunders)

Fatty acids for insect species remain constant: A case study of pink bollworm, Pectinophora gossypiella (Saunders)

Evaluation of insecticidal properties of botanicals for sustainable management of sucking pests of horticultural crops

Evaluation of vegetable oil as oviposition deterrents for the management of pink bollworm, Pectinophora gossypiella (Saunders) in cotton

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